81546570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{129439}}^1$

素因数の和:129459

約数の個数: 48

約数和(自身を含む): 242311680

約数和(自身を除く): 160765110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 129439, 258878, 388317, 647195, 776634, 906073, 1164951, 1294390, 1812146, 1941585, 2329902, 2718219, 3883170, 4530365, 5436438, 5824755, 8154657, 9060730, 11649510, 13591095, 16309314, 27182190, 40773285, 81546570]

約数ペア:

[(1, 81546570), (2, 40773285), (3, 27182190), (5, 16309314), (6, 13591095), (7, 11649510), (9, 9060730), (10, 8154657), (14, 5824755), (15, 5436438), (18, 4530365), (21, 3883170), (30, 2718219), (35, 2329902), (42, 1941585), (45, 1812146), (63, 1294390), (70, 1164951), (90, 906073), (105, 776634), (126, 647195), (210, 388317), (315, 258878), (630, 129439)]